/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-soft:#0B1220;
  --surface:#0E1626;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E8EEF7;
  --text-2:#9DB0C6;
  --text-3:#66798F;
  --primary:#2BE3C4;
  --primary-deep:#12A88F;
  --accent:#FFB454;
  --danger:#F97066;
  --r-s:8px;
  --r-m:12px;
  --r-l:14px;
  --r-xl:20px;
  --r-hero:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 22px 48px rgba(0,0,0,.5);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 10% -10%,rgba(43,227,196,.10),transparent 62%),
    radial-gradient(720px 420px at 92% -4%,rgba(255,180,84,.055),transparent 60%);
  background-repeat:no-repeat;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-weight:700;letter-spacing:-.01em;color:var(--text);margin:0}
p{margin:0}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block;border-radius:12px;object-fit:cover}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.shell{max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn-glow{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;min-height:46px;border:0;border-radius:var(--r-m);
  font-size:15px;font-weight:700;color:#04121A;text-decoration:none;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  box-shadow:0 10px 26px rgba(43,227,196,.28),0 0 0 1px rgba(43,227,196,.35);
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease;
  overflow:hidden;cursor:pointer;
}
.btn-glow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(120deg,transparent 32%,rgba(255,255,255,.55) 50%,transparent 68%);
  transform:translateX(-120%);transition:transform .6s ease;
}
.btn-glow:hover{transform:translateY(-2px);color:#04121A;box-shadow:0 14px 34px rgba(43,227,196,.38),0 0 0 1px rgba(43,227,196,.5)}
.btn-glow:hover::after{transform:translateX(120%)}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;min-height:46px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;color:var(--text);text-decoration:none;
  background:rgba(255,255,255,.04);border:1px solid var(--line-strong);
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;cursor:pointer;
}
.btn-ghost:hover{color:var(--primary);border-color:var(--primary);background:rgba(43,227,196,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled{background:rgba(7,11,20,.95);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.head-main-inner{display:flex;align-items:center;gap:18px;height:64px;transition:height .22s ease}
.site-header.is-scrolled .head-main-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none}
.brand-mark{
  width:12px;height:12px;border-radius:3px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#1CA8FF);
  box-shadow:0 0 14px rgba(43,227,196,.7);
  transform:rotate(45deg);
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.brand:hover .brand-text{color:var(--text)}
.head-search{
  flex:1;max-width:400px;display:flex;align-items:center;gap:6px;
  height:40px;padding:0 5px 0 14px;border-radius:10px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.head-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,196,.14)}
.head-search input{flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}
.head-search input::placeholder{color:var(--text-3)}
.head-search button{
  width:32px;height:30px;border:0;border-radius:8px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:13px;color:#04121A;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  transition:opacity .18s ease;
}
.head-search button:hover{opacity:.86}
.head-hot{display:flex;align-items:center;gap:8px}
.hot-pill{
  font-size:13px;color:var(--text-2);padding:5px 11px;border-radius:999px;white-space:nowrap;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.hot-pill:hover{color:var(--primary);border-color:rgba(43,227,196,.45);background:rgba(43,227,196,.08)}
.head-cta{flex-shrink:0;padding:9px 20px;min-height:40px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;flex-shrink:0;
  align-items:center;justify-content:center;font-size:17px;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid var(--line);cursor:pointer;
}
.nav-toggle:hover{color:var(--primary);border-color:rgba(43,227,196,.45)}
.head-nav{border-top:1px solid var(--line)}
.head-nav-inner{display:flex;align-items:center;gap:30px;height:44px;overflow-x:auto;scrollbar-width:none}
.head-nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:flex;align-items:center;height:44px;padding:0 2px;
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:color .18s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2BE3C4,#1CA8FF);box-shadow:0 0 10px rgba(43,227,196,.8);
}
.mobile-drawer{
  position:fixed;inset:0;z-index:1040;padding:20px;
  display:flex;flex-direction:column;gap:14px;overflow-y:auto;
  background:rgba(6,10,18,.98);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  opacity:0;transform:translateY(-100%);pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:17px;color:var(--text);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:8px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:52px;padding:0 16px;border-radius:12px;font-size:16px;color:var(--text);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
}
.drawer-links a.active{color:var(--primary);border-color:rgba(43,227,196,.45);background:rgba(43,227,196,.08)}
.drawer-links a i{font-size:12px;color:var(--text-3)}

/* ============ 通用板块 ============ */
.section{padding:clamp(34px,4.4vw,58px) 0}
.section-head{max-width:780px;margin-bottom:30px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--primary)}
.section-title{font-size:clamp(23px,2.8vw,34px);line-height:1.34;margin-bottom:12px}
.section-desc{color:var(--text-2);font-size:16.5px;line-height:1.8}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-s);
  font-size:12.5px;font-weight:500;color:var(--primary);
  background:rgba(43,227,196,.12);border:1px solid rgba(43,227,196,.3);
}
.badge-warn{color:var(--accent);background:rgba(255,180,84,.12);border-color:rgba(255,180,84,.34)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-1{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}

/* ============ Hero ============ */
.hero{padding:clamp(26px,3.4vw,46px) 0 clamp(14px,2vw,24px)}
.hero-panel{
  display:grid;grid-template-columns:minmax(0,1.38fr) minmax(0,1fr);
  border-radius:var(--r-hero);overflow:hidden;
  background:var(--glass),var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
}
.hero-copy{padding:clamp(28px,4vw,54px)}
.hero-copy h1{font-size:clamp(30px,4.2vw,46px);line-height:1.24;margin-bottom:16px}
.hero-sub{font-size:17px;color:var(--text-2);line-height:1.75;max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-metrics div{display:flex;flex-direction:column;gap:2px}
.hero-metrics strong{font-size:26px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-metrics span{font-size:13px;color:var(--text-3)}
.hero-visual{
  position:relative;display:flex;align-items:center;justify-content:center;padding:28px;
  min-height:380px;
  background-image:linear-gradient(180deg,rgba(7,11,20,.2),rgba(7,11,20,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-left:1px solid var(--line);
}
.hero-card{
  width:100%;max-width:290px;padding:22px;border-radius:18px;
  background:var(--glass);border:1px solid rgba(43,227,196,.32);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 18px 40px rgba(0,0,0,.55),inset 0 1px 0 rgba(255,255,255,.1);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:16px}
.hero-card-title{font-size:17px;font-weight:700}
.hero-card ul{display:flex;flex-direction:column;gap:9px;margin-bottom:18px}
.hero-card li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.6}
.hero-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.8}
.hero-card-foot{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3)}
.hero-card-foot strong{font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums}

/* ============ 权益对比表 ============ */
.table-wrap{
  position:relative;overflow-x:auto;border-radius:var(--r-xl);
  border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
.benefit-table{width:100%;min-width:840px;border-collapse:separate;border-spacing:0;font-size:15px}
.benefit-table thead th{
  position:sticky;top:0;z-index:2;
  height:64px;padding:0 20px;text-align:center;vertical-align:middle;
  font-size:14px;font-weight:600;color:var(--text-2);
  background:var(--bg-soft);border-bottom:1px solid var(--line);
}
.benefit-table tbody th,
.benefit-table tbody td{
  height:56px;padding:0 20px;text-align:center;vertical-align:middle;
  color:var(--text-2);border-bottom:1px solid var(--line);
}
.benefit-table tbody tr:last-child th,
.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table tbody th{font-weight:600;color:var(--text);text-align:left}
.benefit-table th:first-child,
.benefit-table td:first-child{
  position:sticky;left:0;z-index:1;text-align:left;min-width:190px;
  background:var(--surface);
}
.benefit-table thead th:first-child{z-index:3;background:var(--bg-soft)}
.benefit-table tbody tr:hover th:first-child,
.benefit-table tbody tr:hover td:first-child{background:#111B2C}
.benefit-table .col-rec{
  background:rgba(43,227,196,.07);
  color:var(--text);
  box-shadow:inset 1px 0 0 rgba(43,227,196,.3),inset -1px 0 0 rgba(43,227,196,.3);
}
.benefit-table thead .col-rec{background:rgba(43,227,196,.13);color:var(--primary)}
.rec-badge{
  display:inline-flex;align-items:center;margin-right:8px;padding:2px 8px;border-radius:6px;
  font-size:11.5px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
}
.table-hint{margin-top:14px;font-size:13px;color:var(--text-3)}

/* ============ 等级卡 ============ */
.level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.level-card{
  padding:24px;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.level-card:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.42);box-shadow:var(--shadow-soft),0 0 0 1px rgba(43,227,196,.22)}
.level-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.level-num{
  width:44px;height:44px;flex-shrink:0;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  border:1px solid rgba(43,227,196,.5);box-shadow:0 0 16px rgba(43,227,196,.2);
}
.level-name{font-size:18px;font-weight:700}
.level-points{display:flex;flex-direction:column;gap:8px}
.level-points li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.7}
.level-points li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.75}
.level-card.wide{
  grid-column:1 / -1;display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:26px;
}
.level-card.wide .level-points{flex-direction:row;flex-wrap:wrap;gap:8px 24px;margin-top:10px}
.level-card.wide .btn-ghost{flex-shrink:0}

/* ============ 专属内容预览 ============ */
.preview-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:24px;align-items:stretch}
.preview-feature{
  position:relative;display:block;min-height:400px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-card);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.preview-feature:hover{border-color:rgba(43,227,196,.42);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.preview-feature img{position:absolute;inset:0;width:100%;height:100%;border-radius:0;object-fit:cover;opacity:.62;transition:transform .4s ease,opacity .3s ease}
.preview-feature:hover img{transform:scale(1.03);opacity:.72}
.preview-feature-body{
  position:relative;z-index:1;height:100%;min-height:400px;
  display:flex;flex-direction:column;justify-content:flex-end;gap:12px;
  padding:28px;
  background-image:linear-gradient(180deg,rgba(7,11,20,.15) 20%,rgba(7,11,20,.92) 88%);
}
.preview-feature-body h3{font-size:23px;line-height:1.4;color:#fff}
.preview-feature-body p{font-size:14.5px;color:#C6D4E4;line-height:1.75;max-width:36em}
.preview-list{display:flex;flex-direction:column;gap:14px}
.preview-item{
  display:flex;flex-direction:column;gap:8px;flex:1;
  padding:18px 20px;border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease,transform .2s ease;
}
.preview-item:hover{border-color:rgba(43,227,196,.4);transform:translateY(-2px)}
.preview-item h4{font-size:16px;line-height:1.5}
.preview-item p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.preview-item .badge-tag{align-self:flex-start}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:start}
.news-feature{display:block;border-radius:var(--r-xl);overflow:hidden;background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow-card);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.news-feature:hover{border-color:rgba(43,227,196,.42);transform:translateY(-2px);box-shadow:var(--shadow-soft)}
.news-feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0A1120}
.news-feature-media img{width:100%;height:100%;border-radius:0;object-fit:cover;transition:transform .4s ease}
.news-feature:hover .news-feature-media img{transform:scale(1.04)}
.news-feature-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.news-feature-body h3{font-size:20px;line-height:1.5;transition:color .18s ease}
.news-feature:hover h3{color:var(--primary)}
.news-feature-body p{font-size:14px;color:var(--text-2);line-height:1.75}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:4px;font-size:13.5px;font-weight:600;color:var(--primary)}
.news-side{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:grid;grid-template-columns:minmax(0,1fr) 132px;gap:16px;align-items:center;
  padding:16px;border-radius:var(--r-l);
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-item:hover{border-color:rgba(43,227,196,.42);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.4)}
.news-item-body{min-width:0;display:flex;flex-direction:column;gap:6px}
.news-item h3{font-size:15.5px;line-height:1.5;transition:color .18s ease}
.news-item:hover h3{color:var(--primary)}
.news-item p{font-size:13px;color:var(--text-3);line-height:1.65}
.news-item-media{width:132px;height:86px;overflow:hidden;border-radius:10px;background:#0A1120}
.news-item-media img{width:100%;height:100%;border-radius:0;object-fit:cover}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;border-radius:var(--r-xl);text-align:center;
  background:var(--glass);border:1px dashed rgba(255,255,255,.16);
}
.empty-state i{font-size:26px;color:var(--text-3)}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-state a{font-size:14px;font-weight:600;color:var(--primary)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border-radius:var(--r-l);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(43,227,196,.36)}
.faq-item summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px 19px 26px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity .22s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary{color:var(--primary)}
.faq-arrow{flex-shrink:0;font-size:13px;color:var(--text-3);transition:transform .25s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--primary)}
.faq-body{padding:0 22px 22px 26px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  padding:clamp(28px,3.6vw,44px);border-radius:24px;
  background-image:
    radial-gradient(620px 240px at 12% 0%,rgba(43,227,196,.18),transparent 66%),
    radial-gradient(420px 200px at 92% 100%,rgba(255,180,84,.12),transparent 70%),
    var(--glass);
  background-color:var(--surface);
  border:1px solid rgba(43,227,196,.3);
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);line-height:1.4;margin-bottom:8px}
.cta-band p{font-size:14.5px;color:var(--text-2);line-height:1.75;max-width:44em}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:clamp(48px,6vw,84px);
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding-top:clamp(36px,4.4vw,56px);
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:32px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:34em}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text)}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:5px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin-bottom:8px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:clamp(28px,3.6vw,44px);padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .head-hot{display:none}
}
@media (max-width:991.98px){
  .head-search,.head-cta{display:none}
  .nav-toggle{display:flex}
  .head-nav{display:none}
  .head-main-inner{justify-content:space-between}
  .hero-panel{grid-template-columns:1fr}
  .hero-visual{min-height:300px;border-left:0;border-top:1px solid var(--line)}
  .preview-grid{grid-template-columns:1fr}
  .preview-feature,.preview-feature-body{min-height:320px}
  .news-layout{grid-template-columns:1fr}
  .level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .level-card.wide{grid-template-columns:1fr;align-items:flex-start}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767.98px){
  .hero-metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
  .hero-metrics strong{font-size:22px}
  .brand-text{font-size:17px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .news-item{grid-template-columns:minmax(0,1fr) 104px}
  .news-item-media{width:104px;height:74px}
}
@media (max-width:575.98px){
  .shell{padding:0 16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .level-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item-media{width:100%;height:150px}
  .faq-item summary{font-size:15.5px;padding:16px 18px 16px 22px}
  .faq-body{padding:0 18px 18px 22px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-glow,
  .cta-band .cta-actions .btn-ghost{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-soft:#0B1220;
  --surface:#0E1626;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --line:rgba(255,255,255,.09);
  --text:#E8EEF7;
  --text-2:#9DB0C6;
  --text-3:#66798F;
  --primary:#2BE3C4;
  --primary-deep:#12A88F;
  --accent:#FFB454;
  --danger:#F97066;
  --r-sm:8px;
  --r-btn:12px;
  --r-card:14px;
  --r-lg:20px;
  --r-hero:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 10px 26px rgba(0,0,0,.32);
  --gap:24px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(43,227,196,.13), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(255,180,84,.08), transparent 66%);
  z-index:0;
}
img{max-width:100%;display:block;border-radius:12px;object-fit:cover}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.28}
h2{font-size:clamp(23px,2.8vw,34px);line-height:1.35}
h3{font-size:20px;line-height:1.5}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* ------- buttons ------- */
.btn-glow,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
  position:relative;overflow:hidden;cursor:pointer;
}
.btn-glow{
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  color:#04121A;
  box-shadow:0 10px 26px rgba(43,227,196,.28),0 0 0 1px rgba(43,227,196,.35);
}
.btn-glow::after{
  content:"";position:absolute;top:0;left:-140%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-18deg);transition:left .6s ease;
}
.btn-glow:hover{transform:translateY(-2px);color:#04121A;box-shadow:0 14px 32px rgba(43,227,196,.38),0 0 0 1px rgba(43,227,196,.5)}
.btn-glow:hover::after{left:140%}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text);
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:10px}

/* ------- header ------- */
.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-head.is-scrolled{
  background:rgba(6,10,18,.92);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.top-row{display:flex;align-items:center;gap:20px;height:64px;transition:height .22s ease}
.site-head.is-scrolled .top-row{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:14px;height:14px;border-radius:4px;transform:rotate(45deg);
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  box-shadow:0 0 14px rgba(43,227,196,.6);
}
.brand-text{font-size:19px;font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand:hover .brand-text{color:var(--primary)}
.head-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 4px 0 14px;height:40px;transition:border-color .2s ease,box-shadow .2s ease;
}
.head-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,196,.14)}
.head-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);
  font-size:14px;height:100%;min-width:0;
}
.head-search input::placeholder{color:var(--text-3)}
.head-search button{
  width:34px;height:32px;border:0;border-radius:7px;cursor:pointer;
  background:rgba(43,227,196,.16);color:var(--primary);font-size:13px;
  transition:background .2s ease,color .2s ease;
}
.head-search button:hover{background:var(--primary);color:#04121A}
.head-hot{display:flex;align-items:center;gap:10px;margin-left:auto}
.hot-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 12px;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-2);white-space:nowrap;
}
.hot-pill:hover{border-color:rgba(43,227,196,.55);color:var(--primary);background:rgba(43,227,196,.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.head-nav{border-top:1px solid rgba(255,255,255,.05)}
.head-nav-inner{display:flex;align-items:center;gap:28px;height:44px;overflow-x:auto;scrollbar-width:none}
.head-nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:15px;color:var(--text-2);white-space:nowrap;flex:0 0 auto;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2BE3C4,#1CA8FF);opacity:0;transition:opacity .2s ease;
  box-shadow:0 0 12px rgba(43,227,196,.7);
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{opacity:1}
.drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(8,13,22,.98);padding:16px 0 22px;
}
.drawer.is-open{display:block}
.drawer .head-search{max-width:none;margin-bottom:14px}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.drawer-links a{
  display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:var(--text-2);
}
.drawer-links a:hover,.drawer-links a.active{background:rgba(43,227,196,.1);color:var(--primary)}
.drawer .btn-glow{width:100%}

/* ------- article hero ------- */
.article-hero{
  position:relative;padding:clamp(32px,5vw,60px) 0 clamp(28px,4vw,44px);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(620px 320px at 18% 0%, rgba(43,227,196,.18), transparent 68%);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(7,11,20,.78) 0%, rgba(7,11,20,.92) 62%, #070B14 100%);
}
.article-hero .shell{z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{max-width:900px;margin-bottom:18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13.5px;color:var(--text-2)}
.tag-badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(43,227,196,.12);border:1px solid rgba(43,227,196,.32);
  color:var(--primary);font-size:12.5px;font-weight:600;
}
.tag-amber{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,180,84,.12);border:1px solid rgba(255,180,84,.34);
  color:var(--accent);font-size:12.5px;font-weight:600;
}
.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ------- layout ------- */
.page-main{padding:clamp(36px,5vw,64px) 0 clamp(40px,6vw,72px)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,760px) 300px;
  gap:32px;justify-content:center;align-items:start;
}
.article-main{min-width:0}
.article-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,40px);box-shadow:var(--shadow-card);
  font-size:16px;line-height:1.85;color:#D8E2EF;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 18px;color:#CBD7E6}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);line-height:1.45;
  margin:40px 0 16px;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,#2BE3C4,#1CA8FF);box-shadow:0 0 12px rgba(43,227,196,.55);
}
.article-body h3{font-size:19px;margin:30px 0 12px;color:var(--text)}
.article-body h4{font-size:17px;margin:24px 0 10px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:20px;margin-bottom:10px;color:#C6D3E3;line-height:1.8;
}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);transform:rotate(45deg);
}
.article-body ol{counter-reset:artnum}
.article-body ol li{counter-increment:artnum}
.article-body ol li::before{
  content:counter(artnum)".";position:absolute;left:0;top:0;color:var(--primary);
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-left:3px solid var(--primary);color:var(--text-2);font-size:15.5px;line-height:1.8;
  backdrop-filter:blur(10px);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-body a:hover{color:#7DF3E0}
.article-body strong{color:#FFFFFF;font-weight:700}
.article-body table{
  width:100%;border-collapse:collapse;display:block;overflow-x:auto;
  margin:24px 0;font-size:14.5px;background:rgba(255,255,255,.03);
  border:1px solid var(--line);border-radius:var(--r-card);
}
.article-body th,.article-body td{
  padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;
  white-space:nowrap;color:#C6D3E3;
}
.article-body th{color:var(--text);font-weight:700;background:rgba(43,227,196,.07)}
.article-body tr:last-child td{border-bottom:0}
.article-body img{margin:24px 0;border-radius:12px;border:1px solid rgba(255,255,255,.06);height:auto}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}

/* ------- empty state ------- */
.empty-state{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(28px,4vw,52px);text-align:center;box-shadow:var(--shadow-card);
}
.empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);
  background:rgba(43,227,196,.1);border:1px solid rgba(43,227,196,.3);
}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 24px;font-size:15px}

/* ------- sidebar ------- */
.article-side{position:sticky;top:112px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-soft);
}
.side-title{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;
}
.side-title span.sub{font-size:12.5px;font-weight:400;color:var(--text-3)}
.level-list{display:flex;flex-direction:column;gap:10px}
.level-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.level-item:hover{border-color:rgba(43,227,196,.42);background:rgba(43,227,196,.07);transform:translateX(2px)}
.level-idx{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;
  border:1px solid rgba(43,227,196,.4);background:rgba(43,227,196,.08);
}
.level-body{min-width:0}
.level-name{font-size:14px;font-weight:600;color:var(--text);line-height:1.4}
.level-desc{font-size:12.5px;color:var(--text-3);line-height:1.5}
.hot-list{display:flex;flex-direction:column;gap:12px}
.hot-item{display:flex;gap:12px;align-items:flex-start;padding:8px;border-radius:10px;transition:background .2s ease}
.hot-item:hover{background:rgba(255,255,255,.05)}
.hot-item img{width:70px;height:54px;flex:0 0 auto;border-radius:8px;border:1px solid rgba(255,255,255,.06)}
.hot-item .t{font-size:13.5px;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-item .d{font-size:12px;color:var(--text-3);margin-top:2px}
.side-cta{
  background:linear-gradient(150deg,rgba(43,227,196,.14),rgba(255,255,255,.03));
  border:1px solid rgba(43,227,196,.28);
}
.side-cta p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0 0 14px}
.side-cta .btn-glow{width:100%}

/* ------- related ------- */
.related-sec{padding:0 0 clamp(36px,5vw,56px)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-head h2{font-size:clamp(21px,2.4vw,27px)}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--text-2)}
.rel-list{display:flex;flex-direction:column;gap:14px}
.rel-card{
  display:flex;gap:18px;align-items:center;padding:16px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.4);box-shadow:0 14px 32px rgba(0,0,0,.42)}
.rel-card img{width:200px;height:120px;flex:0 0 auto;border:1px solid rgba(255,255,255,.06)}
.rel-body{min-width:0}
.rel-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover .rel-body h3{color:var(--primary)}
.rel-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}

/* ------- cta band ------- */
.cta-band{padding:0 0 clamp(48px,7vw,88px)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:clamp(24px,3.4vw,36px);border-radius:var(--r-hero);
  background:linear-gradient(150deg,rgba(43,227,196,.13),rgba(255,255,255,.03));
  border:1px solid rgba(43,227,196,.26);box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;
}
.cta-inner::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,227,196,.22),transparent 68%);
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:8px}
.cta-inner p{font-size:14px;color:var(--text-2);margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* ------- footer ------- */
.site-footer{border-top:1px solid var(--line);background:rgba(5,9,16,.7);padding:clamp(38px,5vw,64px) 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--text-3);max-width:360px;margin:0}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0}
.footer-col a:hover{color:var(--primary)}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.8;margin:0 0 8px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--line);margin-top:32px;padding-top:20px;
  font-size:12.5px;color:var(--text-3);
}

/* ------- responsive ------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,720px) 288px;gap:24px}
  .head-search{max-width:320px}
}
@media (max-width:991.98px){
  .head-search,.head-hot{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .head-nav-inner{gap:22px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:28px}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap}
  .article-side .side-card{flex:1 1 300px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  .rel-card{flex-direction:column;align-items:flex-start}
  .rel-card img{width:100%;height:170px}
  .cta-actions{width:100%}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .article-body{padding:20px 18px}
}
@media (max-width:519.98px){
  .brand-text{font-size:17px}
  .footer-grid{grid-template-columns:1fr}
  .meta-row{font-size:12.5px;gap:8px 10px}
  .article-hero h1{margin-bottom:14px}
  .rel-card img{height:150px}
  .hot-item img{width:64px;height:50px}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-soft:#0B1220;
  --surface:#0E1626;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --line:rgba(255,255,255,.09);
  --text:#E8EEF7;
  --text-2:#9DB0C6;
  --text-3:#66798F;
  --primary:#2BE3C4;
  --primary-deep:#12A88F;
  --accent:#FFB454;
  --danger:#F97066;
  --r-badge:8px;
  --r-btn:12px;
  --r-card:18px;
  --r-hero:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08);
  --sp-section:clamp(56px,7vw,96px);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 12% -10%, rgba(43,227,196,.10), transparent 60%),
    radial-gradient(720px 420px at 95% 0%, rgba(255,180,84,.06), transparent 58%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text-2);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary)}
h1,h2,h3,h4{letter-spacing:-.01em;line-height:1.35;color:var(--text)}
p{margin:0 0 1em}
input,button,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (max-width:575.98px){.shell{padding:0 16px}}

/* ---------- 按钮 ---------- */
.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;line-height:1.2;padding:13px 24px;
  border:1px solid transparent;cursor:pointer;text-align:center;min-height:44px;
  transition:transform .18s ease,box-shadow .2s ease,color .18s ease,border-color .18s ease,background .18s ease}
.btn-glow{background:linear-gradient(135deg,#2BE3C4,#1CA8FF);color:#04121A;
  box-shadow:0 10px 26px rgba(43,227,196,.28),0 0 0 1px rgba(43,227,196,.35)}
.btn-glow:hover{color:#04121A;transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(43,227,196,.38),0 0 0 1px rgba(43,227,196,.5)}
.btn-glow:active{transform:translateY(0)}
.btn-glow::after{content:"";position:absolute;top:-120%;left:-70%;width:42%;height:340%;
  background:linear-gradient(120deg,rgba(255,255,255,0),rgba(255,255,255,.55),rgba(255,255,255,0));
  transform:rotate(20deg);opacity:0}
.btn-glow:hover::after{opacity:1;animation:sweep .6s ease}
@keyframes sweep{0%{left:-70%}100%{left:130%}}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);background:rgba(43,227,196,.07)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;min-height:38px}
.btn-block{width:100%}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease}
.site-header.is-scrolled{background:rgba(6,10,18,.93);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(0,0,0,.42)}
.topbar-inner{display:flex;align-items:center;gap:16px;height:64px;transition:height .22s ease}
.site-header.is-scrolled .topbar-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-size:18px;font-weight:700;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{width:12px;height:12px;border-radius:3px;transform:rotate(45deg);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 0 4px rgba(43,227,196,.16)}
.search-box{flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:5px 5px 5px 14px;transition:border-color .2s ease,box-shadow .2s ease}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,196,.14)}
.search-input{flex:1 1 auto;min-width:0;height:34px;background:none;border:0;color:var(--text);font-size:14px}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{outline:none}
.search-btn{flex:0 0 auto;height:34px;padding:0 14px;border:0;border-radius:var(--r-badge);
  background:linear-gradient(135deg,var(--primary),#1CA8FF);color:#04121A;font-weight:700;font-size:13.5px;
  cursor:pointer;transition:filter .18s ease,transform .18s ease}
.search-btn:hover{filter:brightness(1.07)}
.search-btn:active{transform:translateY(1px)}
.hot-tags{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.hot-tag{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:color .18s ease,border-color .18s ease,background .18s ease}
.hot-tag:hover{color:var(--primary);border-color:rgba(43,227,196,.5);background:rgba(43,227,196,.08)}
.header-cta{flex:0 0 auto}
.nav-toggle{display:none;flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-toggle span{transition:transform .2s ease,opacity .2s ease}

.head-nav{border-top:1px solid rgba(255,255,255,.05)}
.head-nav-inner{display:flex;align-items:center;gap:4px;height:44px;overflow-x:auto;scrollbar-width:none}
.head-nav-inner::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;color:var(--text-2);white-space:nowrap;transition:color .18s ease}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:transparent;transition:background .2s ease,box-shadow .2s ease}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{background:var(--primary);box-shadow:0 0 10px rgba(43,227,196,.8)}

/* 移动抽屉 */
.drawer{display:none;position:fixed;inset:0;z-index:1040;background:rgba(7,11,20,.97);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);padding:20px 16px 32px;overflow-y:auto}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--text);font-size:20px;cursor:pointer;line-height:1}
.drawer .search-box{max-width:none;margin-bottom:20px}
.drawer-nav{display:grid;gap:4px;margin-bottom:22px}
.drawer-nav a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  font-size:16px;color:var(--text-2);border:1px solid transparent}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);background:rgba(43,227,196,.08);border-color:rgba(43,227,196,.28)}
body.drawer-open{overflow:hidden}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.55}
.page-hero-bg::after{content:"";position:absolute;inset:0;
  background:
    radial-gradient(760px 440px at 16% 8%, rgba(43,227,196,.24), transparent 66%),
    linear-gradient(180deg, rgba(7,11,20,.72) 0%, rgba(7,11,20,.93) 62%, #070B14 100%)}
.page-hero-inner{position:relative;padding:clamp(36px,5.5vw,68px) 0 clamp(44px,6vw,80px)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:var(--text-3)}
.crumbs .current{color:var(--text-2)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 13px;border-radius:var(--r-badge);
  background:rgba(43,227,196,.10);border:1px solid rgba(43,227,196,.32);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:20px}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;
  box-shadow:0 0 8px rgba(43,227,196,.9)}
.page-hero h1{font-size:clamp(30px,4.2vw,46px);font-weight:700;margin:0 0 16px;max-width:880px}
.hero-lead{max-width:740px;font-size:17px;color:var(--text-2);margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,48px);margin-top:30px;padding-top:24px;
  border-top:1px solid var(--line);max-width:720px}
.metric-num{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--text);line-height:1.2}
.metric-label{font-size:13px;color:var(--text-3)}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section-tight{padding-top:0}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--primary);margin-bottom:10px}
.section-head h2{font-size:clamp(23px,2.8vw,34px);font-weight:700;margin:0 0 12px}
.section-head p{color:var(--text-2);font-size:16.5px;margin:0}

/* ---------- 对比表 ---------- */
.table-shell{position:relative}
.table-shell::after{content:"";position:absolute;top:0;right:0;bottom:0;width:40px;border-radius:0 20px 20px 0;
  background:linear-gradient(90deg,rgba(7,11,20,0),rgba(7,11,20,.92));pointer-events:none;opacity:0;
  transition:opacity .2s ease}
.table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);
  background:var(--glass);-webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow-card)}
.cmp{width:100%;min-width:880px;border-collapse:separate;border-spacing:0;font-size:15px;margin:0}
.cmp th,.cmp td{padding:0 20px;height:58px;text-align:center;vertical-align:middle;
  border-bottom:1px solid var(--line);color:var(--text-2);font-weight:400}
.cmp tbody tr:last-child td,.cmp tbody tr:last-child th{border-bottom:0}
.cmp thead th{position:sticky;top:0;z-index:3;background:rgba(11,18,32,.96);
  padding:18px 20px;height:auto;color:var(--text);font-weight:700;
  border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.cmp th:first-child,.cmp td:first-child{text-align:left;position:sticky;left:0;z-index:2;
  background:var(--surface);color:var(--text);font-weight:600;min-width:200px;
  border-right:1px solid var(--line)}
.cmp thead th:first-child{z-index:4}
.cmp .th-item{font-size:14px;letter-spacing:.06em;color:var(--text-3);font-weight:600}
.cmp tbody tr:hover td{background:rgba(255,255,255,.025)}
.cmp tbody tr:hover td:first-child{background:#101B2C}
.cmp .col-rec{background:rgba(43,227,196,.07);border-left:1px solid rgba(43,227,196,.32);
  border-right:1px solid rgba(43,227,196,.32);color:var(--text)}
.cmp tbody tr:hover .col-rec{background:rgba(43,227,196,.11)}
.tier-name{display:block;font-size:16px;font-weight:700;line-height:1.4}
.tier-sub{display:block;font-size:12.5px;color:var(--text-3);font-weight:400;margin-top:2px}
.rec-tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;margin-bottom:8px;
  border-radius:999px;font-size:12px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF)}
.cmp thead .btn-sm{margin-top:10px;min-height:34px;padding:7px 14px;font-size:13px}
.na{color:var(--text-3)}
.table-tip{display:none;font-size:12.5px;color:var(--text-3);margin-top:12px}
.table-legend{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:18px;font-size:13.5px;color:var(--text-3)}
.legend-dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:8px;vertical-align:middle}
.legend-dot.dot-rec{background:rgba(43,227,196,.8)}
.legend-dot.dot-normal{background:rgba(255,255,255,.22)}

/* ---------- 说明列表 ---------- */
.note-list{display:grid;gap:16px;max-width:920px}
.note-item{display:flex;gap:16px;padding:22px 24px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);backdrop-filter:blur(18px) saturate(140%);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease}
.note-item:hover{border-color:rgba(43,227,196,.4);transform:translateY(-2px);
  box-shadow:0 16px 34px rgba(0,0,0,.4)}
.note-index{flex:0 0 auto;width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(43,227,196,.5);color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;background:rgba(43,227,196,.07)}
.note-item h3{font-size:17px;font-weight:700;margin:0 0 6px}
.note-item p{margin:0;font-size:15px;color:var(--text-2)}

/* ---------- 场景分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:36px;align-items:center}
.split h2{font-size:clamp(23px,2.8vw,32px);margin:0 0 14px}
.split p{color:var(--text-2);font-size:16px}
.check-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:var(--text-2);align-items:flex-start}
.check-list li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:6px;border-radius:5px;
  background:rgba(43,227,196,.14);border:1px solid rgba(43,227,196,.5);
  box-shadow:inset 0 0 0 3px rgba(43,227,196,.18)}
.media-frame{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card)}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.media-frame::after{content:"";position:absolute;inset:0;border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);pointer-events:none}
.media-caption{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(180deg,rgba(7,11,20,0),rgba(7,11,20,.9));font-size:13.5px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-acc{max-width:920px}
.faq-acc .accordion-item{background:var(--glass);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-acc .accordion-item:hover{border-color:rgba(255,255,255,.18)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(43,227,196,.42);
  box-shadow:0 0 0 1px rgba(43,227,196,.16),0 16px 34px rgba(0,0,0,.35)}
.faq-acc .accordion-button{position:relative;width:100%;background:transparent;border:0;
  box-shadow:none;color:var(--text);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 24px;text-align:left}
.faq-acc .accordion-button:not(.collapsed){color:var(--primary);background:transparent}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.faq-acc .accordion-button::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:var(--primary);opacity:0;transition:opacity .2s ease}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1}
.faq-acc .accordion-button::after{content:"";position:absolute;right:24px;top:calc(50% - 6px);
  width:9px;height:9px;border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);background-image:none;transition:transform .22s ease;opacity:.9}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg)}
.faq-acc .accordion-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:24px;padding:clamp(28px,4vw,46px);
  background:linear-gradient(135deg,rgba(43,227,196,.14),rgba(255,180,84,.10));
  border:1px solid rgba(43,227,196,.28);box-shadow:var(--shadow-card);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 8px}
.cta-band p{margin:0;color:var(--text-2);font-size:15.5px;max-width:620px}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);
  padding:clamp(40px,5vw,64px) 0 24px;margin-top:var(--sp-section)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.15fr;gap:32px}
.footer-brand .brand{font-size:18px}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.8;margin:16px 0 0;max-width:430px}
.footer-col h4{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--text)}
.footer-col a{display:block;font-size:14.5px;color:var(--text-2);margin-bottom:10px}
.footer-col a:hover{color:var(--primary)}
.footer-note{font-size:13.5px;color:var(--text-3);margin:0 0 8px;line-height:1.75}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:13px;color:var(--text-3)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hot-tags{display:none}
  .search-box{max-width:320px}
}
@media (max-width:991.98px){
  .topbar-inner .search-box{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .split{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .table-shell::after{opacity:1}
  .table-tip{display:block}
}
@media (max-width:767.98px){
  .page-hero-inner{padding-top:32px}
  .hero-metrics{gap:22px}
  .metric-num{font-size:21px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1 1 auto}
  .note-item{padding:18px 18px}
  .cmp{min-width:820px}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .faq-acc .accordion-button{font-size:16px;padding:18px 48px 18px 18px}
  .faq-acc .accordion-body{padding:0 18px 18px}
  .note-item{flex-direction:column;gap:12px}
}

/* roulang page: category2 */
:root{
  --bg:#F4F8F7;
  --bg-soft:#EAF3F1;
  --surface:#FFFFFF;
  --line:rgba(16,32,30,.10);
  --line-strong:rgba(16,32,30,.16);
  --text:#0E1F1D;
  --text-2:#556967;
  --text-3:#8A9C9A;
  --primary:#12A88F;
  --primary-deep:#0B8571;
  --primary-bright:#2BE3C4;
  --accent:#FF9F1C;
  --accent-soft:#FFF3E2;
  --danger:#E05B4F;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:22px;
  --radius-xl:28px;
  --shadow-sm:0 2px 10px rgba(16,32,30,.06);
  --shadow:0 14px 34px rgba(16,32,30,.09);
  --shadow-lg:0 26px 60px rgba(16,32,30,.13);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--primary-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.shell{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(244,248,247,.86);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-head.is-scrolled{
  background:rgba(250,253,252,.95);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px rgba(16,32,30,.08);
}
.head-top{display:flex;align-items:center;gap:18px;min-height:68px;padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text);letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:12px;height:12px;border-radius:3px;flex:0 0 12px;
  background:linear-gradient(135deg,var(--primary-bright),var(--primary-deep));
  box-shadow:0 0 0 4px rgba(43,227,196,.20);
  transform:rotate(45deg);
}
.brand-text{white-space:nowrap}
.head-search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:5px 5px 5px 18px;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.head-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,196,.16)}
.head-search input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);padding:6px 0;
}
.head-search input::placeholder{color:var(--text-3)}
.head-search button{
  flex:0 0 auto;border:0;border-radius:999px;cursor:pointer;
  background:linear-gradient(135deg,var(--primary-bright),var(--primary));
  color:#04231D;font-weight:700;font-size:13px;padding:8px 16px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.head-search button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(18,168,143,.30)}
.head-hot{display:flex;gap:8px;flex:0 0 auto}
.hot-pill{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:13px;color:var(--text-2);white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.hot-pill:hover{border-color:var(--primary);color:var(--primary-deep);background:#F0FBF8}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:14px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--primary-bright),var(--primary));
  color:#04231D;font-weight:700;font-size:15px;
  box-shadow:0 10px 24px rgba(18,168,143,.26);
  transition:transform .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-main:hover{color:#04231D;transform:translateY(-2px);box-shadow:0 16px 32px rgba(18,168,143,.34)}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 16px rgba(18,168,143,.24)}
.btn-head{flex:0 0 auto;min-height:42px;padding:0 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 22px;border-radius:14px;cursor:pointer;
  background:var(--surface);border:1px solid var(--line-strong);
  color:var(--text);font-weight:600;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:12px}
.hamburger{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.head-nav{border-top:1px solid var(--line)}
.head-nav-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.head-nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;white-space:nowrap;padding:12px 15px 14px;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link:hover{color:var(--primary-deep)}
.nav-link.active{color:var(--primary-deep);font-weight:700}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:5px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(43,227,196,.75);
}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:2000;display:none}
.drawer.open{display:block}
.drawer-backdrop{position:absolute;inset:0;background:rgba(9,20,19,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--bg);padding:20px 20px 32px;overflow-y:auto;
  box-shadow:-18px 0 50px rgba(9,20,19,.24);
  animation:drawerIn .24s ease;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head .brand-text{font-weight:700;font-size:17px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);font-size:20px;line-height:1;color:var(--text-2);cursor:pointer;
}
.drawer-close:hover{color:var(--primary-deep);border-color:var(--primary)}
.drawer-search{display:flex;gap:8px;margin-bottom:18px}
.drawer-search input{
  flex:1 1 auto;min-width:0;border:1px solid var(--line);border-radius:12px;
  background:var(--surface);padding:11px 14px;font-size:14px;color:var(--text);outline:none;
}
.drawer-search input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,227,196,.16)}
.drawer-search button{
  border:0;border-radius:12px;padding:0 16px;cursor:pointer;font-weight:700;font-size:14px;
  background:linear-gradient(135deg,var(--primary-bright),var(--primary));color:#04231D;
}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;font-size:15px;
  color:var(--text-2);border:1px solid transparent;
}
.drawer-link:hover{background:var(--surface);border-color:var(--line);color:var(--primary-deep)}
.drawer-link.is-active{background:var(--surface);border-color:rgba(43,227,196,.4);color:var(--primary-deep);font-weight:700}
.drawer-cta{width:100%;margin-top:18px}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:22px 0 0;font-size:13.5px;color:var(--text-3)}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary-deep)}
.crumb .sep{color:var(--text-3)}
.crumb [aria-current]{color:var(--text)}

/* ---------- 通用区块 ---------- */
.sec{padding:clamp(48px,6vw,84px) 0}
.sec--soft{background:var(--bg-soft)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--primary-deep);
  background:rgba(43,227,196,.13);border:1px solid rgba(43,227,196,.30);
  padding:5px 13px;border-radius:999px;line-height:1.6;
}
.sec-head{max-width:730px;margin-bottom:clamp(26px,3.6vw,42px)}
.sec-head h2{font-size:clamp(23px,2.8vw,34px);line-height:1.32;margin:14px 0 12px}
.sec-desc{font-size:16px;color:var(--text-2);line-height:1.85}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(20px,3vw,38px) 0 clamp(48px,5.4vw,78px);
  background:
    radial-gradient(880px 420px at 84% -10%,rgba(43,227,196,.22),transparent 70%),
    radial-gradient(680px 360px at 6% 4%,rgba(255,159,28,.14),transparent 68%),
    linear-gradient(180deg,#F4F8F7 0%,#EDF5F3 100%);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(28px,4vw,56px);align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,46px);line-height:1.24;margin:16px 0 16px}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;margin-bottom:26px;line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-stats{display:flex;gap:clamp(20px,4vw,42px);flex-wrap:wrap}
.hero-stats li b{
  display:block;font-size:24px;font-weight:700;color:var(--primary-deep);
  font-variant-numeric:tabular-nums;line-height:1.25;
}
.hero-stats li span{font-size:13px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-photo{
  position:relative;height:clamp(270px,36vw,410px);border-radius:var(--radius-xl);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,26,24,.02) 0%,rgba(8,26,24,.30) 100%);
}
.float-card{
  position:absolute;left:-14px;bottom:-24px;width:min(278px,82%);
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--radius-lg);
  padding:18px 20px;box-shadow:var(--shadow);
}
.float-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--primary-deep);
  background:rgba(43,227,196,.16);border-radius:999px;padding:3px 10px;
}
.float-title{font-size:17px;font-weight:700;margin:10px 0 12px;color:var(--text)}
.float-bar{height:8px;border-radius:99px;background:rgba(16,32,30,.10);overflow:hidden;margin-bottom:10px}
.float-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary-bright),var(--primary))}
.float-note{font-size:13px;color:var(--text-2);line-height:1.6}

/* ---------- 等级阶梯 ---------- */
.ladder{position:relative;margin-top:6px}
.ladder::before{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  top:26px;bottom:26px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(43,227,196,.62),rgba(43,227,196,.10));
}
.step{display:grid;grid-template-columns:1fr 78px 1fr;align-items:center;margin-bottom:26px}
.step:last-child{margin-bottom:0}
.step-gap{min-height:1px}
.step-node{
  justify-self:center;position:relative;z-index:1;
  width:54px;height:54px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:2px solid rgba(43,227,196,.55);
  color:var(--primary-deep);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(18,168,143,.16);
}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.55);box-shadow:var(--shadow)}
.step-top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.step-level{font-size:20px;font-weight:700;color:var(--text)}
.step-range{
  font-size:12.5px;font-weight:600;color:var(--primary-deep);
  background:rgba(43,227,196,.13);border-radius:999px;padding:3px 11px;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.step-list{margin-bottom:16px}
.step-list li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);
  line-height:1.8;margin-bottom:6px;
}
.step-list li:last-child{margin-bottom:0}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--primary);
}

/* ---------- 数据条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-xl);box-shadow:var(--shadow);overflow:hidden;
}
.metric{padding:26px 24px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{
  display:block;font-size:clamp(26px,3.2vw,36px);font-weight:700;
  color:var(--primary-deep);font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;line-height:1.2;margin-bottom:6px;
}
.metric span{font-size:14px;color:var(--text-2);line-height:1.6}

/* ---------- 规则区 ---------- */
.rule-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}
.rule-item{
  display:flex;gap:16px;padding:20px 22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);margin-bottom:14px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.rule-item:last-child{margin-bottom:0}
.rule-item:hover{border-color:rgba(43,227,196,.5);transform:translateY(-2px);box-shadow:var(--shadow)}
.rule-idx{
  flex:0 0 36px;width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;background:var(--bg-soft);
  color:var(--primary-deep);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.rule-body h3{font-size:17px;margin-bottom:6px}
.rule-body p{font-size:14.5px;color:var(--text-2);line-height:1.8}
.rule-aside{
  background:linear-gradient(160deg,#0F2F2A,#0B211E);
  border-radius:var(--radius-lg);padding:26px 24px;color:#D7E9E5;
  box-shadow:var(--shadow);
}
.rule-aside h3{color:#FFFFFF;font-size:18px;margin-bottom:12px}
.rule-aside p{font-size:14px;color:#9FBAB5;line-height:1.85;margin-bottom:14px}
.rule-aside .aside-tip{
  display:inline-block;font-size:12.5px;font-weight:700;
  color:#0B211E;background:var(--primary-bright);
  border-radius:999px;padding:4px 12px;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{border-color:rgba(43,227,196,.55);box-shadow:var(--shadow-sm)}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--primary);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;background:none;border:0;cursor:pointer;
  padding:19px 22px;font-size:17px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary-deep)}
.faq-arrow{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-soft);
  color:var(--primary-deep);font-size:12px;line-height:1;
  transition:transform .25s ease,background .2s ease;
}
.faq-item.open .faq-arrow{transform:rotate(180deg);background:rgba(43,227,196,.20)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(135deg,#0F2F2A 0%,#12453D 60%,#0C2622 100%);
  border-radius:var(--radius-xl);padding:clamp(30px,4vw,54px);
  box-shadow:var(--shadow-lg);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,227,196,.34),transparent 70%);
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:#FFFFFF;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px}
.cta-copy p{color:#A7C2BD;font-size:15px;line-height:1.85}
.cta-band .btn-main{position:relative;z-index:1;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{background:#0C1A18;color:#B7C9C6;padding:clamp(46px,5.6vw,72px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{color:#FFFFFF;font-size:18px}
.footer-brand .brand:hover{color:#FFFFFF}
.footer-brand p{font-size:14px;line-height:1.9;color:#8FA6A2;margin-top:14px;max-width:360px}
.footer-col h4{font-size:15px;color:#FFFFFF;margin-bottom:14px;font-weight:600}
.footer-col a{display:block;font-size:14px;color:#9FB4B0;padding:6px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--primary-bright)}
.footer-note{font-size:13px;color:#7F9691;line-height:1.8;margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7F9691;
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .head-hot{display:none}
}
@media (max-width:991px){
  .head-search,.btn-head{display:none}
  .hamburger{display:flex}
  .head-top{gap:12px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-sub{max-width:none}
  .float-card{left:14px;bottom:-20px}
  .rule-grid{grid-template-columns:1fr;gap:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand p{max-width:none}
}
@media (max-width:820px){
  .ladder::before{left:26px;transform:none}
  .step{display:flex;align-items:flex-start;gap:16px}
  .step-node{order:-1;flex:0 0 54px;width:54px;height:54px;margin-top:4px}
  .step-gap{display:none}
  .step-card{flex:1 1 auto;min-width:0}
}
@media (max-width:768px){
  .shell{padding:0 18px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .hero-stats{gap:22px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:576px){
  .shell{padding:0 16px}
  .hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .hero-photo{height:250px}
  .float-card{position:static;width:100%;margin-top:16px;left:auto;bottom:auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
  .cta-band .btn-main{width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#070B14;
  --bg-soft:#0B1220;
  --surface:#0E1626;
  --glass:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E8EEF7;
  --text-2:#9DB0C6;
  --text-3:#66798F;
  --primary:#2BE3C4;
  --primary-deep:#12A88F;
  --accent:#FFB454;
  --danger:#F97066;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:14px;
  --r-xl:20px;
  --r-hero:28px;
  --shadow-card:0 18px 40px rgba(0,0,0,.45),inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-soft:0 10px 24px rgba(0,0,0,.32);
  --shadow-glow:0 10px 26px rgba(43,227,196,.28),0 0 0 1px rgba(43,227,196,.35);
  --gap:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.32;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(43,227,196,.28);color:#fff}

.shell{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--gap) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1000;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid transparent;
  transition:background .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.site-head.is-scrolled{
  background:rgba(7,11,20,.93);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.head-top{
  display:flex;align-items:center;gap:24px;
  height:64px;transition:height .22s ease;
}
.site-head.is-scrolled .head-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:11px;height:11px;border-radius:3px;transform:rotate(45deg);
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  box-shadow:0 0 12px rgba(43,227,196,.75);
}
.brand-text{white-space:nowrap}
.head-search{position:relative;flex:1 1 auto;max-width:420px;min-width:0}
.head-search input{
  width:100%;height:40px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  padding:0 96px 0 16px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.head-search input::placeholder{color:var(--text-3)}
.head-search input:focus{
  outline:none;border-color:rgba(43,227,196,.6);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 4px rgba(43,227,196,.14);
}
.head-search button{
  position:absolute;right:5px;top:5px;height:30px;padding:0 14px;
  border-radius:6px;font-size:13px;font-weight:700;color:#04121A;
  background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  transition:filter .2s ease;
}
.head-search button:hover{filter:brightness(1.08)}
.head-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.hot-link{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  border-radius:999px;border:1px solid var(--line);
  font-size:13px;color:var(--text-2);white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.hot-link:hover{color:var(--primary);border-color:rgba(43,227,196,.45);background:rgba(43,227,196,.08)}
.head-nav{border-top:1px solid rgba(255,255,255,.06)}
.head-nav-inner{
  display:flex;align-items:center;gap:28px;height:44px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.head-nav-inner::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  font-size:15px;color:var(--text-2);flex:0 0 auto;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(43,227,196,0));
  box-shadow:0 0 10px rgba(43,227,196,.7);
  opacity:0;transition:opacity .2s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{opacity:1}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;flex:0 0 auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;transition:background .2s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:0;z-index:1200;display:none;
  background:rgba(7,11,20,.96);backdrop-filter:blur(18px);
  padding:20px;overflow-y:auto;
}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);font-size:20px;line-height:1}
.drawer .head-search{max-width:none;margin-bottom:20px}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-links a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;border-radius:var(--r-md);
  font-size:16px;color:var(--text-2);border:1px solid transparent;
}
.drawer-links a:hover,.drawer-links a.active{
  color:var(--primary);border-color:rgba(43,227,196,.35);background:rgba(43,227,196,.08);
}
.drawer-cta{display:block;width:100%}

/* ---------- 按钮 ---------- */
.btn-glow,.btn-ghost{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  overflow:hidden;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease,background .2s ease;
}
.btn-glow{
  color:#04121A;background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  box-shadow:var(--shadow-glow);
}
.btn-glow::before{
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(120deg,rgba(255,255,255,0),rgba(255,255,255,.6),rgba(255,255,255,0));
  transform:skewX(-18deg);transition:left .6s ease;
}
.btn-glow:hover{transform:translateY(-2px);color:#04121A;box-shadow:0 14px 32px rgba(43,227,196,.38),0 0 0 1px rgba(43,227,196,.5)}
.btn-glow:hover::before{left:130%}
.btn-glow:active{transform:translateY(0)}
.btn-ghost{
  color:var(--text);background:rgba(255,255,255,.04);
  border:1px solid var(--line-strong);box-shadow:none;
}
.btn-ghost:hover{color:var(--primary);border-color:rgba(43,227,196,.55);background:rgba(43,227,196,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);padding-top:22px;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumb-sep{color:var(--text-3);opacity:.7}
.crumb-current{color:var(--primary)}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:clamp(32px,4.5vw,56px) 0 clamp(48px,6vw,80px);
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(700px 420px at 78% 12%,rgba(43,227,196,.20),rgba(43,227,196,0) 70%),
    radial-gradient(520px 360px at 8% 82%,rgba(255,180,84,.10),rgba(255,180,84,0) 72%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,.86) 55%,#070B14 100%);
}
.page-hero .shell{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:clamp(24px,4vw,52px);align-items:center;margin-top:clamp(20px,3vw,34px);
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid rgba(43,227,196,.4);
  background:rgba(43,227,196,.10);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.24;margin-bottom:18px}
.hero-lead{font-size:17px;line-height:1.8;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px 32px;margin-top:32px}
.hero-fact strong{display:block;font-size:24px;font-weight:700;color:var(--text);line-height:1.2}
.hero-fact span{font-size:13px;color:var(--text-3)}

.hero-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-hero);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  padding:24px;
}
.hero-card h3{font-size:15px;color:var(--text-2);font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.hero-card-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.10);
}
.hero-card-row:last-of-type{border-bottom:0;padding-bottom:0}
.hero-card-row .k{font-size:14px;color:var(--text-2)}
.hero-card-row .v{font-size:16px;font-weight:700;color:var(--primary)}
.hero-card-tip{
  margin-top:18px;padding:12px 14px;border-radius:var(--r-md);
  background:rgba(255,180,84,.10);border:1px solid rgba(255,180,84,.28);
  color:#F6C98A;font-size:13px;line-height:1.7;
}

/* ---------- 通用板块标题 ---------- */
.section-head{margin-bottom:clamp(26px,3.4vw,40px);max-width:760px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.08em;margin-bottom:12px;
}
.section-head h2{font-size:clamp(23px,2.8vw,34px);margin-bottom:14px}
.section-head p{font-size:17px;color:var(--text-2);line-height:1.8}

/* ---------- 内容预览：非对称 8:4 ---------- */
.preview-grid{
  display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:24px;align-items:stretch;
}
.preview-main{
  position:relative;display:block;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  background:var(--surface);min-height:340px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.preview-main:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.45);box-shadow:0 22px 46px rgba(0,0,0,.5)}
.preview-main img{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:0;transition:transform .5s ease}
.preview-main:hover img{transform:scale(1.03)}
.preview-main .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.10) 0%,rgba(7,11,20,.62) 48%,rgba(7,11,20,.95) 100%);
}
.preview-main .body{position:absolute;left:0;right:0;bottom:0;padding:clamp(20px,3vw,32px)}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(43,227,196,.14);border:1px solid rgba(43,227,196,.42);color:var(--primary);
}
.badge-amber{
  background:rgba(255,180,84,.14);border:1px solid rgba(255,180,84,.42);color:var(--accent);
}
.preview-main h3{font-size:clamp(19px,2.2vw,25px);margin:14px 0 10px;color:#fff}
.preview-main p{font-size:14.5px;color:var(--text-2);max-width:560px;line-height:1.75}
.preview-main .meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px;font-size:13px;color:var(--text-3)}

.preview-side{display:flex;flex-direction:column;gap:14px}
.mini-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:border-color .22s ease,transform .22s ease,background .22s ease;
  flex:1;
}
.mini-item:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.4);background:rgba(43,227,196,.06)}
.mini-item img{width:76px;height:76px;object-fit:cover;border-radius:10px;flex:0 0 auto;box-shadow:0 0 0 1px rgba(255,255,255,.06) inset}
.mini-item .mini-body{min-width:0}
.mini-item h4{font-size:15.5px;line-height:1.5;margin:6px 0 6px}
.mini-item:hover h4{color:var(--primary)}
.mini-item .mini-desc{font-size:13px;color:var(--text-3);line-height:1.65}
.mini-item .mini-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tag{
  display:inline-flex;align-items:center;height:22px;padding:0 8px;border-radius:6px;
  font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.tag.teal{color:var(--primary);border-color:rgba(43,227,196,.32);background:rgba(43,227,196,.08)}
.tag.amber{color:var(--accent);border-color:rgba(255,180,84,.32);background:rgba(255,180,84,.08)}

/* ---------- 频道卡片带 ---------- */
.band-wrap{position:relative}
.channel-band{
  display:flex;gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.channel-band::-webkit-scrollbar{height:6px}
.channel-band::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.channel-card{
  flex:0 0 300px;scroll-snap-align:start;
  border-radius:var(--r-xl);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.channel-card:hover{transform:translateY(-2px);border-color:rgba(43,227,196,.42);box-shadow:0 20px 40px rgba(0,0,0,.45)}
.channel-card img{width:100%;height:150px;object-fit:cover;border-radius:0}
.channel-card .cc-body{padding:18px 20px 22px}
.channel-card h3{font-size:17px;margin:10px 0 8px}
.channel-card:hover h3{color:var(--primary)}
.channel-card p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.channel-card .cc-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;font-size:12.5px;color:var(--text-3)}

/* ---------- 数据条 ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--shadow-card);
}
.metric-cell{padding:26px 22px;border-right:1px solid var(--line)}
.metric-cell:last-child{border-right:0}
.metric-cell strong{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--primary);line-height:1.15}
.metric-cell span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-2)}
.metric-cell em{display:block;margin-top:6px;font-size:12.5px;color:var(--text-3);font-style:normal}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  position:relative;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  opacity:0;transition:opacity .22s ease;
}
.faq-item.open{border-color:rgba(43,227,196,.4);background:rgba(43,227,196,.05)}
.faq-item.open::before{opacity:1}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:18px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.55;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-q .chev{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line-strong);position:relative;
  transition:transform .3s ease,border-color .2s ease,background .2s ease;
}
.faq-q .chev::before,.faq-q .chev::after{
  content:"";position:absolute;top:50%;left:50%;width:9px;height:1.6px;background:var(--text-2);
  border-radius:2px;transform:translate(-50%,-50%);transition:background .2s ease;
}
.faq-q .chev::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.open .chev{transform:rotate(180deg);border-color:rgba(43,227,196,.5);background:rgba(43,227,196,.12)}
.faq-item.open .chev::before,.faq-item.open .chev::after{background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 表单 ---------- */
.consult-wrap{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(24px,4vw,48px);align-items:center;
  padding:clamp(24px,3.6vw,40px);
  border-radius:var(--r-hero);
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
}
.consult-intro h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.consult-intro p{font-size:15px;color:var(--text-2);line-height:1.85}
.consult-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.consult-points li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.consult-points li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:9px;border-radius:2px;
  transform:rotate(45deg);background:linear-gradient(135deg,#2BE3C4,#1CA8FF);
  box-shadow:0 0 8px rgba(43,227,196,.6);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.02em}
.field input,.field textarea{
  width:100%;border-radius:var(--r-sm);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  color:var(--text);padding:12px 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input{height:48px}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:rgba(43,227,196,.65);
  background:rgba(255,255,255,.07);
  box-shadow:0 0 0 4px rgba(43,227,196,.14);
}
.field .err{display:none;font-size:12.5px;color:var(--danger)}
.field.invalid input,.field.invalid textarea{border-color:rgba(249,112,102,.7)}
.field.invalid .err{display:block}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7}
.form-ok{
  grid-column:1/-1;display:none;padding:14px 16px;border-radius:var(--r-md);
  background:rgba(43,227,196,.10);border:1px solid rgba(43,227,196,.35);
  color:var(--primary);font-size:14px;
}
.form-ok.show{display:block}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:clamp(26px,3.4vw,40px);
  border-radius:var(--r-hero);
  background:var(--glass);
  border:1px solid rgba(43,227,196,.28);
  box-shadow:0 24px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.08);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,227,196,.22),rgba(43,227,196,0) 68%);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(21px,2.5vw,28px);margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px,6vw,88px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,11,20,1));
  padding:clamp(40px,5vw,64px) 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2fr) minmax(0,2fr) minmax(0,3fr);
  gap:clamp(24px,3.4vw,44px);
}
.footer-brand .brand{margin-bottom:16px;font-size:18px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:420px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.03em}
.footer-col a{display:block;font-size:14px;color:var(--text-2);padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.8;margin-bottom:8px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  margin-top:clamp(28px,3.4vw,44px);padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .head-search{max-width:320px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:520px}
  .preview-grid{grid-template-columns:1fr}
  .preview-main{min-height:300px}
  .preview-main img{min-height:300px}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:991.98px){
  .head-top{height:60px;gap:14px}
  .head-search{display:none}
  .hot-link{display:none}
  .head-actions .btn-glow{display:none}
  .nav-toggle{display:inline-flex}
  .head-nav-inner{gap:22px}
  .consult-wrap{grid-template-columns:1fr}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-cell:nth-child(2){border-right:0}
  .metric-cell:nth-child(1),.metric-cell:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:767.98px){
  .shell{padding:0 16px}
  .head-nav-inner{height:42px}
  .page-hero{padding-top:24px}
  .hero-facts{gap:14px 24px}
  .form-grid{grid-template-columns:1fr}
  .mini-item img{width:64px;height:64px}
  .channel-card{flex:0 0 264px}
  .faq-q{font-size:16px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
  .hero-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .metric-band{grid-template-columns:1fr}
  .metric-cell{border-right:0;border-bottom:1px solid var(--line)}
  .metric-cell:last-child{border-bottom:0}
  .cta-actions{width:100%}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%}
  .form-foot .btn-glow{width:100%}
  .preview-main .meta{gap:6px 14px}
}